COLOR-CHANGING APPARATUS FOR ACTIVE CAMOUFLAGE CONFIGURATIONS
First Claim
1. A color-changing panel, comprising:
- a transparent substrate with a bottom surface and a top surface;
a bottom polarization film arranged on the bottom surface of the substrate;
a liquid crystal region comprising anisotropic liquid crystal material, configured over the top surface of the substrate;
an optical retardation film arranged over the liquid crystal region and above the top surface; and
a top polarization film arranged over the optical retardation film, the top polarization film further adapted to move relative to the bottom polarization film,wherein movement of the top polarization film to a first position results in a first visible optical pattern, andfurther wherein movement of the top polarization film to a second position results in a second visible optical pattern.
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Abstract
A color-changing array that includes a mounting substrate; a plurality of color-changing panels attached to the mounting substrate; and a top polarization layer arranged over, and adapted to move relative to, the plurality of color-changing panels. Each color-changing panel includes: (a) a transparent substrate with a bottom surface and a top surface, (b) a bottom polarization film arranged on the bottom surface of the transparent substrate, (c) a liquid crystal region comprising anisotropic liquid crystal material and configured over the top surface of the transparent substrate, and (d) an optical retardation film arranged over the liquid crystal region and above the top surface. Further, movement of the top polarization layer to a plurality of predetermined positions results in a plurality of corresponding, predetermined visible optical patterns.
4 Citations
20 Claims
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1. A color-changing panel, comprising:
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a transparent substrate with a bottom surface and a top surface; a bottom polarization film arranged on the bottom surface of the substrate; a liquid crystal region comprising anisotropic liquid crystal material, configured over the top surface of the substrate; an optical retardation film arranged over the liquid crystal region and above the top surface; and a top polarization film arranged over the optical retardation film, the top polarization film further adapted to move relative to the bottom polarization film, wherein movement of the top polarization film to a first position results in a first visible optical pattern, and further wherein movement of the top polarization film to a second position results in a second visible optical pattern. - View Dependent Claims (2, 3, 4)
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5. A color-changing array, comprising:
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a mounting substrate; a plurality of color-changing panels attached to the mounting substrate; and a top polarization layer arranged over, and adapted to move relative to, the plurality of color-changing panels, wherein each color-changing panel comprises;
(a) a transparent substrate with a bottom surface and a top surface, (b) a bottom polarization film arranged on the bottom surface of the transparent substrate, (c) a liquid crystal region comprising anisotropic liquid crystal material and configured over the top surface of the transparent substrate, and (d) an optical retardation film arranged over the liquid crystal region and above the top surface, andfurther wherein movement of the top polarization layer to a plurality of predetermined positions results in a plurality of corresponding, predetermined visible optical patterns. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A color-changing panel, comprising:
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a transparent substrate with a bottom surface, a top surface and four edges; a bottom polarization film arranged on the bottom surface of the substrate; a polarizable region comprising a plurality of polarizable particles configured over the top surface of the substrate, the particles polarizable by an applied electric field; an optical retardation film arranged over the polarizable region and above the top surface of the substrate; a top polarization film arranged over the optical retardation film; and a plurality of electrodes configured in proximity to the polarizable region, the electrodes adapted to generate a plurality of predetermined, applied electric fields over the polarizable region, wherein the plurality of predetermined electric fields results in a corresponding, plurality of visible optical patterns. - View Dependent Claims (19, 20)
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Specification